Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\flask\app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "C:\Python27\lib\site-packages\flask\app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Python27\lib\site-packages\flask\app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\Python27\lib\site-packages\flask\app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "C:\Python27\lib\site-packages\flask_oauth.py", line 433, in decorated
    return f(*((data,) + args), **kwargs)
  File "C:\Users\Barry\PycharmProjects\FYP\welcome.py", line 169, in authorized
    return redirect(url_for('home'))
  File "C:\Python27\lib\site-packages\flask\helpers.py", line 312, in url_for
    return appctx.app.handle_url_build_error(error, endpoint, values)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1641, in handle_url_build_error
    reraise(exc_type, exc_value, tb)
  File "C:\Python27\lib\site-packages\flask\helpers.py", line 305, in url_for
    force_external=external)
  File "C:\Python27\lib\site-packages\werkzeug\routing.py", line 1758, in build
    raise BuildError(endpoint, values, method, self)
BuildError: Could not build url for endpoint 'home'. Did you mean 'Welcome' instead?